199952145

素因数分解:

$3^4\times 5^1\times {\mathrm{493709}}^1$

素因数の和:493726

約数の個数: 20

約数和(自身を含む): 358433460

約数和(自身を除く): 158481315

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 493709, 1481127, 2468545, 4443381, 7405635, 13330143, 22216905, 39990429, 66650715, 199952145]

約数ペア:

[(1, 199952145), (3, 66650715), (5, 39990429), (9, 22216905), (15, 13330143), (27, 7405635), (45, 4443381), (81, 2468545), (135, 1481127), (405, 493709)]